Either this dog is a master photobomber or he is extremely passionate about Greek politics. According to The Guardian, it's the latter, as they've put together a collection, spotting him at nearly every recent riot, rolling up his sleeves and speaking his mind. You know, fighting the man. His name is Kanellos, but if his Facebook fan page is any indication, he goes solely by "Riot Dog." We hope this tribute finds you and finds you well, Riot Dog.